989878680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{392809}}^1$

素因数の和:392833

約数の個数: 96

約数和(自身を含む): 3676701600

約数和(自身を除く): 2686822920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 392809, 785618, 1178427, 1571236, 1964045, 2356854, 2749663, 3142472, 3535281, 3928090, 4713708, 5499326, 5892135, 7070562, 7856180, 8248989, 9427416, 10998652, 11784270, 13748315, 14141124, 15712360, 16497978, 17676405, 21997304, 23568540, 24746967, 27496630, 28282248, 32995956, 35352810, 41244945, 47137080, 49493934, 54993260, 65991912, 70705620, 82489890, 98987868, 109986520, 123734835, 141411240, 164979780, 197975736, 247469670, 329959560, 494939340, 989878680]

約数ペア:

[(1, 989878680), (2, 494939340), (3, 329959560), (4, 247469670), (5, 197975736), (6, 164979780), (7, 141411240), (8, 123734835), (9, 109986520), (10, 98987868), (12, 82489890), (14, 70705620), (15, 65991912), (18, 54993260), (20, 49493934), (21, 47137080), (24, 41244945), (28, 35352810), (30, 32995956), (35, 28282248), (36, 27496630), (40, 24746967), (42, 23568540), (45, 21997304), (56, 17676405), (60, 16497978), (63, 15712360), (70, 14141124), (72, 13748315), (84, 11784270), (90, 10998652), (105, 9427416), (120, 8248989), (126, 7856180), (140, 7070562), (168, 5892135), (180, 5499326), (210, 4713708), (252, 3928090), (280, 3535281), (315, 3142472), (360, 2749663), (420, 2356854), (504, 1964045), (630, 1571236), (840, 1178427), (1260, 785618), (2520, 392809)]